NATIONAL
GROOVED OF AMERICA is the one of the largest distributors of
Grooved Piping Systems at the most competitive prices.
National Grooved
of America piping systems is reliable and faster to install than
welding, threading or flanging. It can be adapted to suit standard pipe
with cut grooves or standard and light wall pipe with rolled grooves.
Triple sealing of the C-shaped pressure responsive gasket is made from
specially compounded rubbers with low compression set property. Couplings
perform equally well under pressure and vacuum. Couplings with Tri-seal
gaskets are highly suitable for higher vacuum service and dry systems
subject to freezing. Available for flexible and rigid system.